Power wrench



FIG. 1 is a front and left-side perspective view of a power wrench showing my new design;

FIG. 2 is a rear and right-side perspective view thereof;

FIG. 3 is a right-side elevation view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

CLAIM I claim the ornamental design for a power wrench, as shown and described. 